WO2003074971A1 - Appareil et procede de navigation - Google Patents
Appareil et procede de navigation Download PDFInfo
- Publication number
- WO2003074971A1 WO2003074971A1 PCT/JP2003/002003 JP0302003W WO03074971A1 WO 2003074971 A1 WO2003074971 A1 WO 2003074971A1 JP 0302003 W JP0302003 W JP 0302003W WO 03074971 A1 WO03074971 A1 WO 03074971A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- current position
- longitude
- latitude
- route
- coordinates
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/0969—Systems involving transmission of navigation instructions to the vehicle having a display in the form of a map
Definitions
- the present invention relates to a navigation device and a navigation method used for guiding a moving body such as a human or a vehicle.
- GPS radio waves
- GPS radio waves
- GPS radio waves
- map data and associated data display data displayed together with the map data, such as place names, road names, etc.
- intersections or predetermined angles on roads Eg, non-display data that is not displayed together with the map data, such as the coordinates of nodes that are curved points or the like and the distances of elements that are segments between the nodes, etc.
- the reproducing means is provided based on the current position specified by the position detecting means.
- control means obtains a scheduled route from the surrounding map data and the like. Searching for the user and guiding the user using the display means based on the planned route and the current position have also been put to practical use.
- Such a navigation device includes navigation devices such as the position detection device, the reproduction device (including the storage medium), the control device, the display device, and the input device.
- the entire device had to be mounted on the vehicle, and the system configuration was large, which had a problem in securing a mounting space.
- the position detecting means when performing the guidance, since it is difficult for the position detecting means to accurately determine the current position using only the GPS, an absolute position consisting of longitude and latitude obtained by the GPS, a distance sensor, There is also known a navigation device that improves accuracy by using a direction sensor and a relative position obtained by self-contained navigation, which measures the cumulative amount of movement from a reference point (for example, the starting point) by measuring the amount of movement (for example, the starting point). And JP-A-9-145394).
- the number of branches, branch direction and position information (latitude / longitude, altitude) of branch roads are stored in flash memory as map information.
- a navigation device that displays the status of these branches and displays a straight line connecting the branches along the distance and direction (for example, see Japanese Patent Application Laid-Open No. 2002-22480).
- the present invention has been conceived in view of such a problem, and provides a navigation device and a navigation method that can reduce the size of a system configuration, simplify arithmetic processing, and improve accuracy. Aim. Disclosure of the invention
- the navigation device of the present invention uses a radio wave from a plurality of satellites orbiting the earth to determine the current position of the user.
- Position detecting means for obtaining the absolute position of the longitude and latitude, setting the coordinates of the longitude and latitude between the departure point and the destination, and setting the departure point and the destination
- Storage means for storing the coordinates of the longitude and latitude of the nodes on the planned route obtained by this; display means for displaying the current position and the planned route; and performing correction according to the current position.
- the absolute position and the angle data of the coordinates are converted into distance data, and an element between the nodes is obtained by calculation, and the current position is determined based on whether or not the distance between this element and the current position is within a certain range.
- the current position of the user is obtained from the absolute position of longitude and latitude using radio waves from a plurality of human satellites orbiting the earth.
- a position detecting means for storing coordinates of longitude and latitude between a departure place and a destination and coordinates of longitude and latitude of a node on a scheduled route obtained by setting the departure place and the destination;
- Storage means for displaying the current position and the scheduled route, and conversion of the absolute position and the coordinate angle data into distance data while performing correction according to the current position, and display of elements between the nodes.
- the display on the display means is controlled by calculating whether or not the current position is on the planned route based on whether or not the distance between this element and the current position is within a certain range. Having a control unit, and a in-evening one face means for performing the transmission of de Isseki with an external auxiliary device for performing a search of said predetermined route.
- the navigation device performs on-route or off-route calculations using only the coordinates (node data) of nodes on a predetermined scheduled route, so that the calculation process can be simplified. This is suitable for a system configuration that does not require a high-performance microcomputer as control means for an application device. Further, since the navigation device stores only the node data, which is numerical data, no large-capacity storage means for storing image data is required.
- the navigation method of the present invention sets a departure place and a destination with an external auxiliary device before use and searches for a scheduled route. At least one of the planned routes, and stores coordinates of the longitude and latitude of the departure point and the destination and coordinates of the longitude and latitude of the nodes on the planned route via the interface means.
- the current position of the user is obtained by using the radio waves from a plurality of artificial satellites orbiting the earth by the position detecting means to determine the absolute position of the longitude and latitude, and the correction according to the current position is performed. While performing, the angle data of the absolute position and the coordinates are converted into distance data, and an element between the nodes is obtained by calculation, and the distance between this element and the current position is calculated. Whether or not the current position is on the planned route is calculated based on whether or not the current position is within a certain range, and the current position and the planned route are displayed on display means according to the result.
- the certain range is a value when the current position approaches the planned route and a value when the current position moves away from the scheduled route. And set the former shorter than the latter.
- the route planning can be performed with sufficient time and effort before the use of ij, and long-distance planning Since a huge amount of nodes such as a route ⁇ a plurality of scheduled routes can be stored, this is a navigation method suitable for enhancing the convenience of the navigation device.
- the position detecting means is used as position detecting means. Unnecessary display of off-route on the display means due to poor accuracy due to the use of a GPS receiver can be prevented, which is suitable for enhancing visibility.
- FIG. 1 is a block diagram illustrating the configuration of the navigation device
- FIG. FIG. 3 is an explanatory diagram of a scheduled route in the piggement device
- FIG. 3 is an explanatory diagram of a current position in the navigation device
- FIG. 4 is an explanatory diagram of a display in the navigation device.
- FIG. 1 is a block diagram for explaining the configuration of an embodiment of the present invention.
- a navigation device 10 uses a radio wave from a plurality of artificial satellites orbiting the earth to provide the user with the information.
- a position detecting means 11 comprising a GPS receiver for obtaining a current position based on absolute positions of longitude and latitude, a display means 12 comprising a liquid crystal display element for displaying the current position and the route, and data transmission between the outside.
- Interface means 13 for performing wired (LAN) or wireless (IrDA), storage means 14 comprising a memory for storing the data, and a switch used for changing the display form on display means 12 It is composed of input means 15 composed of various types, and control means 16 composed of a microcomputer for controlling the entire system.
- the storage means 14 stores a ROM 14 a containing a program or the like for the control means 16 to perform predetermined arithmetic processing, and node data (described later) on the scheduled route obtained by the external auxiliary device 20. It consists of RAM I 4b for storing.
- the external auxiliary device 20 is connected to the navigation device 10 by connecting the interface means 21 and the interface means 13 of the navigation device 10, and the departure point and the destination (intermediate)
- a processing means 22 comprising a personal computer (PDA) for searching for the scheduled route by setting the following route (including the waypoints of the same), map data for the search and associated data (place name,
- PDA personal computer
- map data for the search and associated data
- place name The display data displayed together with the map data such as the road name, the coordinates (node data) of nodes (nodes) at intersections or points that are turned at a predetermined angle (several degrees) or more on the road, and the data between the nodes.
- processing means 22 is a desktop personal computer
- storage medium 23 is a CD-ROM
- a reproducing means denotes a CD-ROM drive unit, and the processing means 22 and the reproducing means 24 are structurally integrated.
- the element may be called a link depending on the industry.
- FIG. 1 a navigation method using the navigation device 10 will be described with reference to FIGS. 2 to 4.
- FIG. 2 a navigation method using the navigation device 10 will be described with reference to FIGS. 2 to 4.
- the user Before using the navigation device 10, for example, before getting on the vehicle, the user uses the storage medium 23 and the reproducing means 24 of the external auxiliary device 20 and the Z or the Internet 25 to determine the departure place S and the purpose. By setting the location F, the planned route is searched, and at least one planned route L is determined and determined (see FIG. 2).
- the external auxiliary device 20 includes a coordinate N (point data B) of a departure point S (Start) and a destination F (Finish) on the planned route L, a node N which is an intersection or a point which is turned at a predetermined angle (several degrees) or more.
- a coordinate N point data B
- the point data B and the node data D are sent to the navigation device 10 via the interface means 21
- the navigation device 10 receives the coordinates via the interface means 13.
- the point data B and the node data D which are part of the attached data received, are stored in the RAMI 4b of the storage means 14.
- At least one planned route L is calculated and obtained by the external auxiliary device 20, and then the point data B and the node data which are part of the additional data on the planned route L are obtained.
- Storage means of D The vehicle is mounted with and used only with the navigation device 10, and the external auxiliary device 20 is not used.
- control means 16 performs a predetermined calculation according to the program stored in the ROM 14a of the storage means 14, determines whether or not the current position A is on the scheduled route L, and displays the display means. 12 is displayed.
- the position detecting means 11 obtains the absolute value of longitude and latitude ⁇ Xa, Ya ⁇ , which is the absolute position of the current position A, at certain timings, and departure point S, destination F, node Calculate Nn and find, for example, node N4. Then, from the nodes N3 and N5 connected to the node N4, the one closer to the current position A is calculated, and for example, the node N5 is obtained (see FIG. 3).
- the RAMI 4b of the storage means 14 does not store the associated data relating to the element, but since the nodes Nn and Nn + 1 can be regarded as straight lines, the nodes N4 and N4 which are part of the scheduled route L
- the element M 45 between N 5 is calculated from the values ⁇ 4 ', ⁇ 4' ⁇ ⁇ 5 ', ⁇ 5' ⁇ .
- the element ⁇ 45 is compared with the value ⁇ Xa ', Ya' ⁇ of the current position ⁇ . If the distance a of the perpendicular P drawn from the current position A to the element M45 is within a certain range (for example, 20 m), The control means 16 calculates the on-route where the current position A is on the planned route L, and the off-route which is off the planned route L if not, and displays it on the display means 12 based on the result of this calculation.
- Fig. 4 (a) shows a display example on the on-route
- Fig. 4 (b) shows a display example on the off-route. ing.
- the symbol A ′ is the current position icon indicating the position of the current position A (see FIG.
- a current position fixed display mode in which the current position A is fixed to a specific portion of the display means 12, a front wide display mode in which the front of the traveling direction is displayed widely, and the like.
- the display is performed in combination with the north-up display mode in which "North" is displayed upward and the heading-up display mode in which the direction of travel is displayed upward. Can be selected as appropriate.
- Figures 4 (a) and 4 (b) show the display mode combining the current position fixed display mode with the north-up display mode.
- control means 16 controls the display means 12 based on the value from the position detection means 11 and the value of RAM I 4b in the storage means 14 according to the above-described calculation.
- the certain range may have a hysteresis so that a value when the current position A approaches the planned route L and a value when the current position A moves away from the planned route L are different, and the former is shorter than the latter.
- the occurrence frequency of the off-route can be suppressed, so that accuracy defects caused by using the GPS receiver as the position detecting means 11 do not surface.
- the navigation device it is not necessary to provide the navigation device with a storage medium and a reproducing means for reproducing the same, and the system configuration can be downsized. It is suitable for use in situations where space is limited, such as in portables and motorcycles.
- the navigation device calculates an on-route or an off-route using only the coordinates (node data) of nodes on a predetermined scheduled route, the calculation process can be simplified, and the navigation device can be simplified. This is suitable for a system configuration that does not require a high-performance microcomputer as a control means.
- the navigation device stores only the node data which is numerical data, a large-capacity storage means for storing image data is unnecessary.
- angle data is converted into distance data while performing correction at the point and the on-line or off-route is calculated, it is suitable for improving the accuracy of the navigation device.
- planning of a route can be performed with sufficient time and effort before use, and a long-distance scheduled route
- This is a navigation method suitable for increasing the convenience of the navigation device because it can store a large number of nodes such as a plurality of scheduled routes.
- the constant range is different from a value when the current position is approaching the planned route and a value when the current position is away from the planned route, and the former is set shorter than the latter.
- Unnecessary off-route display on the display means due to poor accuracy due to the use of a GPS receiver can be prevented, which is suitable for enhancing visibility.
- the present invention can be applied to a navigation device, and is suitable for a navigation device and a navigation method used for guiding a moving body such as a human or a vehicle.
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03705407A EP1420226B1 (fr) | 2002-03-01 | 2003-02-24 | Appareil et procede de navigation |
DE60326030T DE60326030D1 (de) | 2002-03-01 | 2003-02-24 | Navigationsgerät und -verfahren |
US10/486,787 US9476726B2 (en) | 2002-03-01 | 2003-02-24 | Navigation apparatus and navigation method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002055116A JP3854520B2 (ja) | 2002-03-01 | 2002-03-01 | ナビゲーション装置及びナビゲーション方法 |
JP2002/55116 | 2002-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003074971A1 true WO2003074971A1 (fr) | 2003-09-12 |
Family
ID=27784600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/002003 WO2003074971A1 (fr) | 2002-03-01 | 2003-02-24 | Appareil et procede de navigation |
Country Status (5)
Country | Link |
---|---|
US (1) | US9476726B2 (fr) |
EP (1) | EP1420226B1 (fr) |
JP (1) | JP3854520B2 (fr) |
DE (1) | DE60326030D1 (fr) |
WO (1) | WO2003074971A1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7769540B2 (en) * | 2003-02-26 | 2010-08-03 | Tomtom International B.V. | Navigation device and method for displaying simulated navigation data |
US7564795B2 (en) * | 2006-10-02 | 2009-07-21 | Cisco Technology, Inc. | Obtaining per-port location information for wired LAN switches |
US9661599B2 (en) * | 2006-10-02 | 2017-05-23 | Cisco Technology, Inc. | Digitally signing access point measurements for robust location determination |
JP5087725B2 (ja) * | 2010-02-22 | 2012-12-05 | 日本精機株式会社 | 走行時間計測装置、計測ライン設定装置、及び、プログラム |
JP5119504B2 (ja) | 2010-08-24 | 2013-01-16 | Necビッグローブ株式会社 | 通過判定装置、通過判定方法、プログラム |
JP5562201B2 (ja) * | 2010-10-19 | 2014-07-30 | 矢崎総業株式会社 | 車載ラップタイム計測装置およびラップタイム計測方法 |
JP5066246B2 (ja) * | 2010-12-02 | 2012-11-07 | 株式会社エヌ・ティ・ティ・ドコモ | 移動端末、システム及び方法 |
CN103323021A (zh) * | 2013-06-07 | 2013-09-25 | 喻应芝 | 一种公共汽车到站距离预报以及地理位置定位方法 |
KR102516813B1 (ko) * | 2020-11-26 | 2023-03-30 | 울산과학기술원 | 지도 상에서 경로를 제공하는 방법 및 장치 |
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JPH11142167A (ja) * | 1997-11-11 | 1999-05-28 | Unisia Jecs Corp | 車両位置計測装置 |
JPH11304532A (ja) * | 1998-04-24 | 1999-11-05 | Kenwood Corp | 任意緯度での2点間距離算出方法 |
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- 2002-03-01 JP JP2002055116A patent/JP3854520B2/ja not_active Expired - Fee Related
-
2003
- 2003-02-24 EP EP03705407A patent/EP1420226B1/fr not_active Expired - Fee Related
- 2003-02-24 WO PCT/JP2003/002003 patent/WO2003074971A1/fr active Application Filing
- 2003-02-24 US US10/486,787 patent/US9476726B2/en active Active
- 2003-02-24 DE DE60326030T patent/DE60326030D1/de not_active Expired - Lifetime
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JPH1047986A (ja) * | 1996-08-03 | 1998-02-20 | Nec Home Electron Ltd | カーナビゲーション装置並びにシステム |
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Title |
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Also Published As
Publication number | Publication date |
---|---|
EP1420226A1 (fr) | 2004-05-19 |
JP2003254768A (ja) | 2003-09-10 |
DE60326030D1 (de) | 2009-03-19 |
EP1420226B1 (fr) | 2009-01-28 |
US20050004746A1 (en) | 2005-01-06 |
EP1420226A4 (fr) | 2006-10-04 |
US9476726B2 (en) | 2016-10-25 |
JP3854520B2 (ja) | 2006-12-06 |
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